Skype is One of the famous Chat software. Skype is very frendly interface, you can use it for chatting or calling via GPRS with a PC or a cell phone that supports has a excellent sound quality and highly secure with end-to-end encryption. with skype you even dont need to configure your firewall or router or other network equipment. In addition, not only works on Windows. Skype is also for Mac OS X, Linux and PDAs using Pocket PC, with a native look and feel for each platform. Talking, sending instant messages or even file transfers work between different platforms.

Features :

Skype has all the features of an ordinary phone so it's even easier to manage your calls.

Video calling - see who you are talking to at the same time as speaking to them.